2019 Ford Ranger Discussion General discussion of the new 2019 Ford Ranger

Spark plugs and wires

  #1  
Old 08-26-2018
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Spark plugs and wires

I am attempting to figure out what is the best spark plug for my 2000 Ford Ranger XLT 4x4 4.0, I have heard good things about NGK plugs and wires but Im hoping yall will be able to assist me in this matter.
 
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Old 08-26-2018
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Welcome to the forum

NGK are OK, I use them in my 4.0l OHV when I can't get Motorcraft or Autolite, these will last longer than the NGK, but not a big deal

You also need to know that you can only use regular copper or DOUBLE Platinum/iridium, Single Platinum/iridium would be a waste of money, as 3 of the spark plugs will wear out the same as regular copper.
Ford used a Waste Spark system, so 2 spark plugs share one Coil, they are wired in series, so one spark plug sparks from center to tip(normal) and the other sparks from tip to center(reverse)
So just having coating on tip OR center doesn't make any sense, either BOTH tip and center have the coating or nothing on tip and center
 
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Old 08-26-2018
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Thank you
 
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